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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2358068Generated: November 1, 2026

Hydrochloric Acid → 1-Ethyl-4-{2-fluoro-3-[(trifluoromethyl)sulfonyl]phenyl}piperidine

https://huagongshe.com/reaction/2358068

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantIodoethaneHCID 6340—
ReactantPotassium CarbonateHCID 11430—
Reactant4-{2-Fluoro-3-[(trifluoromethyl)sulfonyl]phenyl}piperidineHCID 57448051—
SolventAcetonitrileHCID 6342—
Product1-Ethyl-4-{2-fluoro-3-[(trifluoromethyl)sulfonyl]phenyl}piperidineHCID 11702841—

Reaction Steps

Preparation according to Example 1: 4-{2-fluoro-3-[(trifluoromethyl)sulfonyl]phenyl}-piperidine (0.11 g, 0.35 mmol), acetonitrile (4 ml), potassium carbonate (0.063 g, 0.7 mmol) and 1-iodoethane (0.055 g, 0.35 mmol). Yield: 0.068 g (57%). The amine was converted to the hydrochloric acid salt and recrystallized from ethanol/diethyl ether: M.p. 189-191° C. MS m/z (relative intensity, 70 eV) 339 (M+, 8), 325 (15), 324 (bp), 205 (6), 191 (15).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07763639B2
Source datasetuspto-grants-2010_07
ORD IDord-67026c9f71384a3e816d1055daca2818
Source noteuspto-grants-2010_07